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monitta
3 years ago
11

You are an urban planner assessing the growth of a city. Ten years ago, the city's population was 249,583. Its current populatio

n is 318,270. By about what percentage has the city grown over the past ten years?
Can anyone explain this one?
Mathematics
2 answers:
larisa [96]3 years ago
6 0

Answer:

27.52%

Step-by-step explanation:

Given that an urban planner wants to assess the growth of a city

Population of the city before 10 years = 249583

Current population                                = 318270

Population grown                                  =318270-249583  = 68687

Relative growth = growth/original population

Relative growth =\frac{68687}{249583}\\=0.2752

Percent growth = relative growth x100

Hence percent growth = 0.2752x100

27.52%

solmaris [256]3 years ago
4 0
318,270-249,583=68,687\\\\\begin{array}{ccc}249,583&-&100\%\\68,687&-&p\%\end{array}\\\\cross\ multiply\\\\249,583p=68,687\cdot100\ \ \ \ /:249,583\\\\p\approx27.52\\\\Answer:\\The\ city\ grown\ over\ the\ past\ ten\ years\ at\ 27.52\%.
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